{
  "zip": "38230",
  "type": "standard",
  "type_source": "inferred",
  "city": "Greenfield",
  "other_place_names": [],
  "state": "TN",
  "state_name": "Tennessee",
  "county": {
    "fips": "47183",
    "name": "Weakley County",
    "short_name": "Weakley"
  },
  "counties": [
    {
      "county_fips": "47183",
      "name": "Weakley County",
      "short_name": "Weakley",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 36.155177,
    "lng": -88.774665,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "32280",
    "name": "Martin, TN",
    "type": "micro",
    "csa_code": "542",
    "csa_name": "Union City-Martin, TN"
  },
  "demographics": {
    "population": 3765,
    "households": 1499,
    "housing_units": 1699,
    "median_age": 40.9,
    "median_household_income": 55365,
    "median_home_value": 98600,
    "median_rent": 772,
    "pct_bachelors_plus": 20.8,
    "mean_commute_min": 27.2,
    "density_per_sqmi": 43.9
  },
  "business": {
    "establishments": 64,
    "employees": 816,
    "annual_payroll_thousands": 30137
  },
  "tax": {
    "irs_returns": 1470,
    "irs_agi_thousands": 82812
  },
  "area": {
    "land_sqmi": 85.678,
    "water_sqmi": 0.094
  },
  "nearest_zips": [
    {
      "zip": "38316",
      "miles": 6.3,
      "city": "Bradford",
      "state": "TN"
    },
    {
      "zip": "38255",
      "miles": 7.6,
      "city": "Sharon",
      "state": "TN"
    },
    {
      "zip": "38346",
      "miles": 8.8,
      "city": "Idlewild",
      "state": "TN"
    },
    {
      "zip": "38369",
      "miles": 9.5,
      "city": "Rutherford",
      "state": "TN"
    },
    {
      "zip": "38229",
      "miles": 10.2,
      "city": "Gleason",
      "state": "TN"
    },
    {
      "zip": "38220",
      "miles": 12.6,
      "city": "Atwood",
      "state": "TN"
    },
    {
      "zip": "38225",
      "miles": 12.7,
      "city": "Dresden",
      "state": "TN"
    },
    {
      "zip": "38258",
      "miles": 13.1,
      "city": "Trezevant",
      "state": "TN"
    },
    {
      "zip": "38238",
      "miles": 13.7,
      "city": "Martin",
      "state": "TN"
    },
    {
      "zip": "38201",
      "miles": 13.8,
      "city": "Mc Kenzie",
      "state": "TN"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/38230",
    "sources_url": "https://zipcodes.pro/sources",
    "license": "Facts derived from US public-domain data (Census, IRS) and GeoNames (CC BY 4.0). Attribution appreciated: zipcodes.pro",
    "note": "A null value means the source did not publish that figure for this ZIP code. It does not mean zero."
  }
}